Mercedes S204 Control Arm Wishbone Front Right O/S 1K0407152BL

Mercedes S204 Control Arm Wishbone Front Right O/S is a component from the Control arms and ball joints group, designed for operation in the front suspension on the passenger side. This is a used, original structural part that allows for restoring proper suspension geometry, handling stability, and predictable vehicle behavior during braking and cornering.

Specifications and technical data

• SKU: 1K0407152BL
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 1K0407152BL
• Substitutable numbers: 1K0407152BL, 1 K04 071 52 BL
• Location on the vehicle: Front, Right
• Category: Control Arms, Ball Joints & Assemblies

Purpose and function in the suspension system

The presented control arm is designed for installation on the front axle on the right side of the vehicle, where it is responsible for precise wheel guidance relative to the body. As a key element of the multi-link system, it ensures:

• maintaining proper wheel geometry during straight-line driving and cornering,
• stable transfer of loads from the wheel hub to the body,
• control over changes in toe and camber during suspension operation.

Thanks to its appropriately selected structural rigidity, the control arm supports the operation of shock absorbers and springs, which translates into predictable vehicle reactions and better tire-to-road contact.

Benefits of using an original Mercedes control arm

Using an original control arm in the Mercedes S204 model allows for maintaining factory handling and ride comfort parameters. The design is matched to the suspension characteristics of this model, which means:

• proper fitment with other suspension system components,
• appropriate rigidity and durability under typical operating conditions,
• compatibility with factory mounting points on the body and steering knuckle.

As a metal structural element, the control arm has a significant impact on safety, which is why choosing a part consistent with the vehicle manufacturer's specifications is particularly beneficial for post-collision repairs, replacement due to wear, or restoring original driving characteristics.

Vehicle placement and installation aspects

The element is intended for installation in the front suspension on the right side, which is important when selecting the correct part for a specific vehicle configuration. Proper placement ensures:

• correct alignment of the control arm pivot points relative to the body,
• compliance with the factory force distribution in the suspension system,
• possibility of subsequent, precise wheel geometry adjustment.

During installation, it is recommended to use appropriate tightening torques and to perform a suspension geometry check and adjustment after completing the work to fully utilize the potential of the newly installed component.

Part condition and use in service practice

The offered control arm is a used part, which makes it an economical solution while maintaining the original design intended for the specific Mercedes model. This type of component is often chosen for:

• post-accident repairs, when it is necessary to replace load-bearing suspension elements,
• maintenance service, when excessive play or damage is found within the wheel guidance system,
• restoring factory handling characteristics after previous non-original modifications.

Selecting the right control arm for a specific body version and suspension system is crucial for maintaining safety and the proper operation of assistance systems, such as ABS or ESP.

If you are planning a comprehensive repair or upgrade of the front suspension area in your Mercedes and need other elements from the same group, such as additional control arms, ball joints, or mounting hardware, check the available parts in the Mercedes control arms and ball joints category.

Technical support and selection of suspension components

When working with the suspension system, it is worth using reliable sources of knowledge to correctly assess the condition of other components and plan the full scope of repairs. A detailed discussion of suspension operating principles, the role of control arms, and their cooperation with shock absorbers and stabilizers can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers. This will allow you to better understand the impact of replacing a single control arm on the overall operation of the front axle.